/*
 * Copyright � 2002-2011 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

using NHibernate.Bytecode;
using NHibernate.Properties;
using NHibernate.Type;
using Spring.Objects.Factory;

namespace Spring.Data.NHibernate.Bytecode;

/// <summary>
/// The Spring for .NET-backed ByteCodeprovider for NHibernate
/// </summary>
/// <author>Fabio Maulo</author>
public class BytecodeProvider : IBytecodeProvider
{
    private readonly IListableObjectFactory listableObjectFactory;
    private readonly IObjectsFactory objectsFactory;
    private readonly DefaultCollectionTypeFactory collectionTypefactory;
    private readonly IProxyFactoryFactory proxyFactoryFactory;

    ///<summary>
    /// Creates a new bytecode Provider instance using the specified object factory
    ///</summary>
    ///<param name="listableObjectFactory"></param>
    public BytecodeProvider(IListableObjectFactory listableObjectFactory)
    {
        this.listableObjectFactory = listableObjectFactory;
        this.objectsFactory = new ObjectsFactory(listableObjectFactory);
        this.collectionTypefactory = new DefaultCollectionTypeFactory();
        this.proxyFactoryFactory = new ProxyFactoryFactory();
    }

    /// <summary>
    /// Retrieve the <see cref="T:NHibernate.Bytecode.IReflectionOptimizer"/> delegate for this provider
    ///             capable of generating reflection optimization components.
    /// </summary>
    /// <param name="clazz">The class to be reflected upon.</param><param name="getters">All property getters to be accessed via reflection.</param><param name="setters">All property setters to be accessed via reflection.</param>
    /// <returns>The reflection optimization delegate.</returns>
    public IReflectionOptimizer GetReflectionOptimizer(Type clazz, IGetter[] getters, ISetter[] setters)
    {
        return new ReflectionOptimizer(listableObjectFactory, clazz, getters, setters);
    }

    /// <summary>
    /// The specific factory for this provider capable of
    /// generating run-time proxies for lazy-loading purposes.
    /// </summary>
    public IProxyFactoryFactory ProxyFactoryFactory
    {
        get { return this.proxyFactoryFactory; }
    }

    /// <summary>
    /// NHibernate's object instaciator.
    /// </summary>
    /// <remarks>
    /// For entities <see cref="T:NHibernate.Bytecode.IReflectionOptimizer"/> and its implementations.
    /// </remarks>
    public IObjectsFactory ObjectsFactory
    {
        get { return this.objectsFactory; }
    }

    /// <summary>
    /// Instanciator of NHibernate's collections default types.
    /// </summary>
    public ICollectionTypeFactory CollectionTypeFactory
    {
        get { return this.collectionTypefactory; }
    }
}
